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Showing releases 376-400 out of 627 releases.
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Public Release: 13-Feb-2013
Marinda Li Wu becomes 2013 President of World’s Largest Scientific Society
Marinda Li Wu, who resides near Berkeley, Calif., is the 2013 president of the American Chemical Society (ACS), the world’s largest scientific society. She is the first Asian American and only the eighth woman to serve as president in the Society’s 137-year history.
Contact: Michael Bernstein
m_bernstein@acs.org
202-872-6042
American Chemical Society
Public Release: 13-Feb-2013
JAMA
Study identifies factors associated with eradication of bacteria linked to gastric cancer
In an analysis of the results of interventions to eradicate the bacterium Helicobacter pylori (a risk factor for gastric cancer) in seven diverse community populations in Latin America, researchers found that geographic site, demographic factors, adherence to initial therapy and infection recurrence may be as important as the choice of antibiotic regimen in H pylori eradication interventions, according to a study appearing in the Feb. 13 issue of JAMA.
Contact: Craig Boerner
craig.boerner@vanderbilt.edu
615-322-4747
The JAMA Network Journals
Public Release: 13-Feb-2013
JAMA
Prenatal folic acid supplementation associated with lower risk of autism
In a study that included approximately 85,000 Norwegian children, maternal use of supplemental folic acid from 4 weeks before to 8 weeks after the start of pregnancy was associated with a lower risk of autistic disorder in children, according to a study appearing in the Feb. 13 issue of JAMA.
Contact: Pal Surén, M.D., M.P.H.
pal.suren@fhi.no
The JAMA Network Journals
Public Release: 12-Feb-2013
Proceedings of the National Academy of Sciences
Mouse models poorly mimic human inflammatory diseases
For decades experimental mouse models have been used to identify and test drug candidates for subsequent human trials, but a study finds that these models do not accurately represent human responses to inflammatory diseases. Junhee Seok and colleagues studied how trauma, burns, and toxins from bacteria like E. coli affected genetic responses in patients.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 12-Feb-2013
Proceedings of the National Academy of Sciences
Gut microbiota-derived signals may play a role in blood pressure regulation
Short-chain fatty acids (SCFAs) produced by gut microbiota may play a role in modulating blood pressure by acting on two major SCFA receptors, olfactory receptor 78 (Olfr78) and Gpr41, a study finds. Jennifer L. Pluznick and colleagues found that Olfr78 was expressed in the kidney and mediates renin secretion in response to SCFAs, particularly propionate.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 12-Feb-2013
Proceedings of the National Academy of Sciences
Training could help reverse age-related neural slowing
Auditory training can partially reverse age-related neural slowing and difficulties perceiving speech in noisy environments, a study finds. Nina Kraus and colleagues examined the effects of auditory-based cognitive training on neural timing and auditory perception in two groups of adults between the ages of 55 and 70.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 12-Feb-2013
Proceedings of the National Academy of Sciences
China's rampant antibiotic use could promote resistance to all major classes of antibiotics
Unmonitored antibiotic use on animal farms in China could prompt the vast emergence and release of diverse antibiotic resistance genes into the environment, a study suggests. China is the largest antibiotics producer and consumer in the world; however, the nation's use of antibiotics to treat livestock illness and promote animal growth is unmonitored.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 12-Feb-2013
Proceedings of the National Academy of Sciences
Sunlight stimulates greenhouse gas release from Arctic soil
High latitude soils store at least twice the amount of carbon found in the atmosphere, but a study finds that the soil-based carbon could be released and converted into greenhouse gas when exposed to sunlight. Rose Cory and colleagues analyzed 34 Arctic sites, some of which currently experience dramatic permafrost soil thawing.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 12-Feb-2013
Proceedings of the National Academy of Sciences
An automated system for language reconstruction
Researchers report an automated system for language reconstruction. Since the late 18th century, historical linguists have used a labor-intensive, manual procedure to reconstruct protolanguages, which gave rise to modern languages.
Contact: PNAS News Office
PNASnews@nas.edu
202-334-1310
Proceedings of the National Academy of Sciences
Public Release: 10-Feb-2013
SCIENCE CHINA Chemistry
Low-carbon hybrid energy systems——China’s future energy solutions
Fossil fuel leads to the huge amount of CO2 on utilization. Recently, the concept of hybrid energy system has been proposed for a low carbon solution to high carbon energy resources such as coal, which coupled coal with either nuclear or renewable energy via the high efficient integration. As a result, such system is expected to be the strategic solution to China’s future energy development, which has been published on SCIENTIA SINICA Chimica（in Chinese）, No.1，2013.
Supported by the “Strategic Priority Research Program” of the Chinese Academy of Sciences (Grant No. XDA02000000)Supported by Shell Global Solutions International B.V.
Contact: Yan Bei
yanbei@scichina.org
86-106-400-8316
Science China Press
Public Release: 10-Feb-2013
SCIENCE CHINA Physics, Mechanics & Astronomy
Importance of shock wave and slipline in high speed flow
Shock waves and sliplines are important flow structures which have great impact on the aerodynamic forces, heating and noise. According to a recent study, the upstream slipline may alter the nature of detached and recompression shock waves and create noise. This study has been published on SCIENTIA SINICA Physica, Mechanica & Astronomica（In Chinese）, 2013, No.1.
State Key Project 973 (Grant 973-2012CB720200)
Contact: Yan Bei
yanbei@scichina.org
Science China Press
Public Release: 8-Feb-2013
Environmental Science & Technology
New steps recommended to preserve China's famous Terracotta Warriors and other relics
The preservation of immovable historic relics displayed in large open spaces like China's world-renowned Museum of Qin Terracotta Warriors and Horses requires air curtains and other modifications to recreate the primitive environment from which archaeologists excavated the relics. That's the conclusion of a study of environmental control measures for archaeology museums in the People's Republic of China. Their study appears in ACS' journal Environmental Science & Technology.
Contact: Michael Bernstein
m_bernstein@acs.org
202-872-6042
American Chemical Society
Public Release: 8-Feb-2013
Science
Repeat proteins tied to neurodegeneration
A new study unravels how a shared genetic mutation may lead to neurodegeneration in different diseases. Recent work has shown that a group of dementia disorders and a muscle disease called amyotrophic lateral sclerosis or ALS share similar genetic characteristics, including the repeat and expansion of a specific protein sequence.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 8-Feb-2013
Science
Tohoku-oki earthquake a major stress-reliever for crust
The massive 2011 earthquake in Japan released nearly all of the stress that had built up along the plate boundary in that region, according to a new study. Researchers had suspected that this release happened to some degree, based on observations that the sea floor moved nearly 50 meters during the earthquake.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 8-Feb-2013
Science
A coinciding asteroid and extinction?
A new study provides fresh evidence that the Chicxulub asteroid impact, which left a gargantuan crater in Mexico, closely coincided with the mass extinction of non-avian dinosaurs. Previous studies have suggested that this major impact predated the boundary between the Cretaceous and Paleogene periods -- when these dinosaurs disappeared from the planet -- by as much as 300,000 years.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 8-Feb-2013
Science
Giving a face and age to mammalian ancestor
A tiny, furry-tailed creature was the earliest ancestor of the placental mammals -- a group excluding marsupials and egg-laying mammals -- and lived after the extinction of the non-avian dinosaurs, a new study suggests. The timing of the evolution and radiation of placental mammals and their most recent common ancestor has long been a matter of debate, as Anne Yoder explains in a related Perspective.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 7-Feb-2013
The cochrane collaboration and Wiley sign new publishing agreement
The Cochrane Collaboration, the international not-for-profit organization that produces systematic reviews of healthcare evidence and the largest database of randomized controlled trials; and John Wiley & Sons, Inc., (NYSE:JWa, JWb), a global provider of content and workflow solutions in the areas of scientific, technical, medical, and scholarly research, professional development, and education, today announced that they have renewed and redefined their partnership to publish The Cochrane Library from Feb. 2013.
Contact: Jennifer Beal
sciencenewsroom@wiley.com
Wiley
Public Release: 7-Feb-2013
Neural Regeneration Research
Safe dose of memantine for advanced Alzheimer's disease
USA. Food and Drug Administration has previously approved many drugs for the treatment of mild Alzheimer's disease, most of which belong to cholinesterase inhibitors and have failed to fundamentally cure.
Contact: Meng Zhao
nrr@nrronline.org
86-138-049-98773
Neural Regeneration Research
Public Release: 7-Feb-2013
Science Translational Medicine
Effects of flu vaccines differ with age
Age-related immune system differences may affect how the body responds to influenza vaccination, reports a new study. The findings indicate that flu vaccines may work differently in the elderly, although it’s too early to say if these differences make vaccines more or less effective.
Contact: Natasha Pinol
scipak@aaas.org
202-326-6440
American Association for the Advancement of Science
Public Release: 6-Feb-2013
Chinese Academy of Sciences honors Carnegie Mellon's Edmund Clarke with 2013 Einstein Professorship
The Chinese Academy of Sciences has named Edmund M. Clarke, the FORE Systems University Professor of Computer Science and Electrical and Computer Engineering at Carnegie Mellon University, an Einstein Professor for 2013.
Contact: Byron Spice
bspice@cs.cmu.edu
412-268-9068
Carnegie Mellon University
Public Release: 6-Feb-2013
JAMA
Lower proportion of older patients dying in hospitals; increase seen in use of ICUs in last month of life
In a study that included data on more than 800,000 Medicare beneficiaries who died between 2000 – 2009, a lower proportion died in an acute care hospital in recent years, although both intensive care unit (ICU) use and the rate of health care transitions increased during the last month of life, according to a study appearing in the February 6 issue of JAMA.
Contact: David Orenstein
david_orenstein@brown.edu
401-863-1862
The JAMA Network Journals
Public Release: 6-Feb-2013
JAMA
Use of ACE inhibitor by patients with peripheral artery disease may improve pain-free walking, physical functioning
Among patients with peripheral artery disease and intermittent claudication (pain in the calf that comes and goes, typically felt while walking), 24 weeks of treatment with the angiotensin-converting enzyme (ACE) inhibitor ramipril was associated with improvement in pain-free and maximum walking times and the physical health aspect of quality of life, according to a study appearing in the Feb. 6 issue of JAMA.
Contact: Anna A. Ahimastos, Ph.D.
A.Ahimastos@alfred.org.au
The JAMA Network Journals
Public Release: 5-Feb-2013
Chinese Medical Journal
Comparison of parathyroid hormone (1-34) and elcatonin in postmenopausal women with osteoporosis
Combined subfascial endoscopic perforator surgery and endovenous laser treatment for treatment of valvular insufficiency of the lower-limb venous perforators offer the advantages of microtrauma and rapid cure.
Contact: Anne
liuhuanxy@cma.org.cn
Chinese Medical Journal
Public Release: 5-Feb-2013
Twelfth Annual Wiley Prize in Biomedical Sciences Awarded
Deborah E. Wiley, Chair of The Wiley Foundation, John Wiley & Sons, Inc. (NYSE: JWa & JWb), announced today that the twelfth annual Wiley Prize in Biomedical Sciences will be awarded to Dr. Michael Young, Rockefeller University, Dr. Jeffrey Hall, Brandeis University (Emeritus), and Dr. Michael Rosbash, Brandeis University.
Contact: Peter Peretzman
sciencenewsroom@wiley.com
201-748-6098
Wiley
Public Release: 5-Feb-2013
SCIENCE CHINA Physics, Mechanics & Astronomy
Experimental progress on the transport in topological insulator-superconductor heterostructures
Nowadays, quantum transport in topological insulator-superconductor heterostructures has attracted much attention in condensed matter physics and material science due to the novel properties in this kind of new system, especially for the detection of mysterious Majorana fermions. The experimental progress on this direction has been reviewed and published on SCIENCE CHINA Physics, Mechanics & Astronomy, 2012, No.(12).
The National Basic Research Program of China (Grant No. 2012CB921300), the National Natural Science Foundation of China (Grant No. 11174007)The Penn State MRSEC (Grant No.DMR-0820404), USA
Contact: WANG Jian
jianwangphysics@pku.edu.cn
Science China Press
Showing releases 376-400 out of 627 releases.
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